S-1170 Datasheet, PDF (22/29 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION AND LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1170 Series
Rev.3.0_02
(3) Shutdown pin transient response characteristics
S-1170B15 (Ta = 25°C)
VIN = 2.5 V, COUT = 4.7 µF, CIN = 4.7 µF, IOUT = 100 mA
5
3
4
2
VON/OFF
3
1
2
0
1 _VOUT
−1
0
−2
−1
−3
−10 0 10 20 30 40 50 60 70 80 90
t [µs]
S-1170B50 (Ta = 25°C)
VIN = 6.0 V, COUT = 4.7 µF, CIN = 4.7 µF, IOUT = 100 mA
S-1170B30 (Ta = 25°C)
VIN = 4.0 V, COUT = 4.7 µF, CIN = 4.7 µF, IOUT = 100 mA
7
6
6
4
5
VON/OFF
2
4
0
3
−2
2
−4
1 V_OUT
−6
0
−1
−10 0 10 20 30 40 50 60 70 80 90
t [µs]
9
6
7
VON/OFF
3
5
0
3
−3
1 ^VOUT
−6
−1
−10 0 10 20 30 40 50 60 70 80 90
t [µs]
S-1170B15 (Ta = 25°C)
VIN = 2.5 V, COUT = 4.7 µF, CIN = 4.7 µF, IOUT = 300 mA
5
3
4
2
VON/OFF
3
1
2
0
1 _VOUT
−1
0
−2
−1
−3
−10 0 10 20 30 40 50 60 70 80 90
t [µs]
S-1170B50 (Ta = 25°C)
VIN = 6.0 V, COUT = 4.7 µF, CIN = 4.7 µF, IOUT = 300 mA
S-1170B30 (Ta = 25°C)
VIN = 4.0 V, COUT = 4.7 µF, CIN = 4.7 µF, IOUT = 300 mA
7
6
6
4
5
VON/OFF
2
4
0
3
−2
2
−4
1 V_OUT
−6
0
−1
−10 0 10 20 30 40 50 60 70 80 90
t [µs]
9
6
7
VON/OFF
3
5
0
3
−3
1 ^VOUT
−6
−1
−10 0 10 20 30 40 50 60 70 80 90
t [µs]
22
Seiko Instruments Inc.